package myThread;
//死锁
public class demo20 {
    public static void main(String[] args) throws InterruptedException {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Thread t1 = new Thread(()->{
            synchronized (locker1){
                System.out.println("开始执行t1线程");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException();
                }
                synchronized (locker2){
                    System.out.println("t1线程结束");
                }
            }
        });
        Thread t2 = new Thread(()->{
                synchronized (locker2){
                    System.out.println("开始执行t2线程");
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        throw new RuntimeException();

                    }
                    synchronized (locker1){
                        System.out.println("t2线程结束");
                    }
                }
        });
        System.out.println("main线程开始");
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("main线程结束");
    }
}
